History of Congress The Forty-first Congress of the United States, 1869-1871. This book, "History of Congress The Forty-first Congress of the United States. 1869-1871", by William Horatio Barnes, is a replication of a book originally published before 1872. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.